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What is the Deepest Cave Dive Ever Recorded?

Published in Cave Diving Record 2 mins read

The deepest cave dive ever recorded reached an astonishing 308 meters (1,010 feet), achieved by French speleonaut Frédéric Swierczynski.

The Current World Record Holder

Frédéric Swierczynski, a renowned speleonaut from Marseille, France, holds the world record for the deepest cave dive. This monumental achievement took place in the challenging underwater environment of Font Estramar, located in the Eastern Pyrenees. The dive was an extraordinary feat, pushing the boundaries of human endurance and technical diving capabilities.

During this epic endeavor, Swierczynski spent approximately 7 hours submerged, carefully navigating the complex passages and enduring the extreme pressures associated with such profound depths. His successful descent to -308 meters solidified his place in the annals of exploration.

Key Details of the Record-Breaking Dive

Aspect Detail
Diver Frédéric Swierczynski
Location Font Estramar, Eastern Pyrenees
Depth 308 meters (1,010 feet)
Duration Approximately 7 hours
Significance Deepest recorded cave dive in history

The Extremes of Deep Cave Diving

Deep cave diving is one of the most demanding and perilous forms of exploration. Divers face numerous challenges that require meticulous planning, specialized equipment, and extensive training. These include:

  • Extreme Pressure: The immense pressure at great depths requires robust equipment and precise gas mixtures to prevent gas narcosis and oxygen toxicity.
  • Decompression Sickness: Long decompression stops are necessary on ascent to allow the body to off-gas safely, preventing potentially fatal decompression sickness. This often means hours spent suspended in the water column.
  • Limited Visibility: Underwater caves can have zero visibility, relying solely on touch and artificial light.
  • Cold Temperatures: Water temperatures often drop significantly at depth, demanding advanced thermal protection.
  • Navigation: Complex cave systems require expert navigation skills to avoid disorientation and getting lost.
  • Equipment Failure: The remote and unforgiving environment makes any equipment malfunction life-threatening.

Records like Swierczynski's highlight the incredible advancements in diving technology and the relentless human spirit of exploration that drives individuals to plumb the deepest, darkest corners of our planet.